<!DOCTYPE html>
<html lang="en"
      xmlns:th="http://www.thymeleaf.org"
      xmlns:layout="http://www.ultraq.net.nz/web/thymeleaf/layout"
      layout:decorate="main"  >
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
<!-- page container -->
<div layout:fragment="content" class="right_col" role="main" style="min-height: 969px;" >
    <h4 style="color: red">权限不足</h4>
</div>
<!-- /page container -->
</body>
</html>